The purpose of this study is to assess the safety and effectiveness of Sintilimab Combined With Docetaxel in Non-driver Gene Mutation NSCLC patients who failed with double platinum-based chemotherapy

Inclusion Criteria:

• Life expectancy exceeds 3 months
• The investigator confirmed at least one measurable lesion according to the RECIST 1.1 standard.

Exclusion Criteria:

• small cell lung cancer or small cell lung cancer
• Currently involved in interventional clinical research or treatment, or have received other research drugs or used research equipment within 4 weeks prior to the first dose;
• Previously received the following treatments: anti-PD-1, anti-PD-L1 or anti-PD-L2 drugs or drugs that stimulate or synergistically inhibit T cell receptors (eg, CTLA-4, OX-40, CD137);